Outboard motor stand



March 20, 1962 A. CHRISTIANSON OUTBOARD MOTOR STAND 5 Sheets-Sheet 1 Filed March 17, 1958 INVENTOR.

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March 20, 1962 A. CHRISTIANSON OUTBOARD MOTOR STAND 3 Sheets-Sheet 2 Filed March 1'7, 1958 INVENTOR. Jr/wZaZ filwflarzev/z March 20, 1962 A. CHRISTIANSON OUTBOARD MOTOR STAND 5 Sheets-Sheet 3 Filed March 17, 1958 INVIENTOR. Zr/zaid /zrwzarzaarz,

United States Patent Ofihce Patented Mar. 29, 1982 3,026,105 OUTBOARD MGTGR STAND Arnold Christianson, 6630 Forest Ave., Hammond, Ind.

Filed Mar. 17, 1958, Set. No. 722,015

8 Ciaims. (Cl. 269--163) The present invention relates to a mounting for outboard marine motors and in its broader aspects to a mount for use on the transom of a boat using such motor or on a motor stand. In either case the motor will be securely mounted, and strong side or upward forces will not cause the motor to slide off.

Outboard marine motors have become larger, heavier, more compact and complicated than earlier models. As with any complicated arrangement, servicing demands for these motors are experienced more frequently and are necessarily more comprehensive, and as a result of the increased weight and size of the motors, the performance of the servicing operation has become more difiicult.

An object of the present invention is to provide a form of transom for boats using outboard motors wherein the reaction forces of the motor on the transom, particularly when making sharp turns, cannot dislodge the motor from the transom, as any movement of clamping screws on the wedge will tend to tighten same.

Another object of the present invention is to provide a Work stand for outboard marine motors which will carry the motor and permit rotation of the motor between an upright and an inverted position for purposes of facilitating service operations.

A more specific object of the invention is to provide an improved work stand for an outboard marine motor of suficient rigidity and stability to support the motor while it is being serviced and repaired, and of such a structure so as to permit rotation of the motor about the center of its longitudinal dimension.

An additional object of the invention is to provide a work stand for an outboard marine motor including a structural member supported for rotation in a substantially vertical plane, a support arm and bar connected to the structural member and defining a plane the extension of which makes a chordal intersection of circular segment circumscribed by the rotation of the structural member so that the arm and bar both support the motor with the center of the longitudinal axis thereof approximate to the rotational axis of the structural member, and an arrangement for positioning the structural member in a selected rotational position.

A further object of the invention is to provide an improved work stand for outboard marine motors including a disc which is rotatable about its center in a vertical plane, a support arm projecting horizontally from the disc at a position close to the periphery thereof and a support bar extending from the support arm and defining with the support arm a plane, the extension of which chordally intersects the disc, whereby the motor is supported by its clamping screws on the support arm and is rested or fastened to the support bar, and wherein the rotatable disc is clampable in any rotational position to support the motor in any rotational position, thereby to facilitate repair and maintenance operations on the motor.

Further objects and features of the invention pertaining to the arrangements and structures whereby the above enumerated objects are attained.

The invention, both as to its structure and manner of use, will be better understood by reference to the following specification and drawings, forming a part thereof wherein:

FIGURE 1 is a front elevation of the work stand in accordance with the invention;

FIGURE 2 is a top plan view of the work stand shown in FIGURE 1;

FIGURE 3 is a side view of the work stand shown in FIGURE 1;

FIGURE 4 is a partial side view of an alternative mounting arrangement for the work stand;

FIGURE 5 is a side view of another alternate mounting arrangement for the work stand;

FIGURE 6 is a cross-sectional view taken along the lines 66 of FIGURE 3;

FIGURE 7 is a cross-sectional view through a boat just forward of the transom thereof showing the support arm of my invention applied thereto; and

FIGURE 8 is a cross-sectional view on the line 8-8, FIGURE 7.

Referring to the drawings, the work stand 10 comprises essentially a structural member 11 which may be a bar or plate of structural steel, here illustrated in the form of a heavy gauge metal disc, a mounting bracket 12 on which the support member 11 is mounted for rotation about its center, a support arm 13 rigidly connected to the support member 11 and extending perpendicularly therefrom, a support bar 14 connected to the free end of the support arm 13 and lying in the plane thereof, and clamps 15 for clamping the structural member 11 to the mounting bracket 12.

As best shown in FIGURES 1, 2 and 3, the mounting bracket 12 is composed of a substantially wide plate 16, having alfixed to its top and bottom edges, respectively, angle irons 17 and 18 which are flanged outwardly and drilled in the outwardly extending flanged surfaces for receiving mounting bolts. The structural member or disc 11 is mounted to the plate 16 of the mounting bracket 12 near the angle iron 17 by means of a nut and bolt arrangement 19 and a washer 20.

The support arm 13 is preferably a channel member carrying in the cavity thereof a wedge shaped section 21 of a hard wood, rubber, plastic or other substantial material. The structural member 13 may be afiixed at one butt end thereof directly to the disc 11 at a point displaced from the center of the disc and preferably near the outer periphery thereof by welding with the open end thereof faced generally toward the periphery of the disc. As shown in the figures, however, the support arm 13 may be welded to a plate 22 which is bolted, riveted or otherwise attached to the disc 11. Accordingly, the support arm 13 is perpendicular to the plane of thes-tructural member 11. At the other end of the support arm 13 there is afiixed, as by welding, a plate 23 to which the support bar 14 is connected.

The support bar 14- is an Lshaped configuration of bar or rod material which is connected at one end thereof to the plate 23 by any suitable means such as by bolting, riveting, welding, and so forth. The support bar 14 is constructed to lie in the plane of the support arm 13 with the free end thereof generally coextensive with the wedge shaped material 21 carried within the support arm 13.

As shown best in FIGURE 2 the clamps 15 are substantially L-shaped plates for which the projection 24 thereof is of a depth substantially equal to that of the structural member 11. The clamps 15 are connected to the mounting bracket 12 at the extreme ends of the plate 15 by means of a bolt 25 so that the projection 24 thereof engages the plate 16 and the other end of the bracket engages the surface of the structural member or disc 11. Accordingly, when the nut and bolt 25 is threaded one unto the other, the disc 11 is clamped between the clamp 15 and the plate 16 of the mounting bracket 12. Though two clamps 15 are shown in the drawings and are believed to' be preferred, it is understood that only one clamping bracket is required but that more .than two clamping brackets could be utilized.

referably, the work stand is mounted at a comfortable working height above the floor with the structural member or disc 11 vertically disposed and the support arm .13 horizontally disposed. As shown in FIGURES l, 2 and 3, the work stand 10 may be mounted to a special frame 38; as shown in FIGURE 4, it may be bolted to a post 50 as at a boat dock; or as shown in FIGURE 5, it may be clamped to a support post 51 as in a basement or a work shop area.

Referring to the frame 34) providing a substantial base for the work stand it}, there is provided two vertically spaced apart angles 31 and 32 each of which is connected at one end thereof to the middle portion of a pipe or bar 33 which is closed at its ends by plates 34 and 35. The plates 34 and 35 may be fixed to the bar 33 by any appropriate means, as by welding, and joined thereto are horizontally extendingbars 36 and 3'7.

The angles 31 and 32 are, as shown in FIGURES l, 2 and 3, connected to the bar 33 by means of angle stubs 38 and 39, respectively. The angle stubs 38 and 39 are preferably Welded to bar 33 and the angles 31 and 32 are connected thereto by means of bolts 40. The mounting bracket 12 of the work stand 10 is bolted to the other free ends of the angles 31 and 32. at the flanges of the angles 17 and -18 with the Work stand 16' extending into the platform area defined by the pipe 33 and the bus 36 and 37 on which the frame 30 is supported.

The pipe 33 is selected to be of a substantial length so to remove the bars 36 and 37 from the immediate working area and also to provide adequate spacing between the horizontal bars 35 and 37 and the vertical angles 31 and 32, whereby the pipe 33 will act as a torsion bar for absorbing stresses and strains applied to the frame structure.

In FIGURE 1, the silhouette of an outboard marine engine as supported on the Work stand 10 is shown in dashed lines. The mounting bracket on the marine motor is hung on the support arm 13 and the clamping screws thereof are tightened against the wedge shaped material 21 carried within the cavity of the support arm.

It will be noted that the support arm and the wedge shaped block held therein is of sufiicient size to permit various sized motors with various widths between clamps, and various depths of reach of the clamping screws to be clamped to the supporting arm. Because of the wedge shape of the filler section 21 when the motor is clamped thereto and turned upside down, the motor cannot slip off the bracket. The lower end of the marine motor is placed in resting position against the horizontal extension of the support bar 14 and the tip-up hinge on the motor is then locked to place the motor supported on the support arm 13 and against the support bar 14. The lower end of the motor may, if it is so desired, be tied or otherwise fixed to the support bar 14. In this mounting arrangement, the center of a longitudinal dimension of the motor will be very near the center of the structural member or disc 11 so as to permit work to be done on the motor at a comfortable height. With the motor mounted in the position as shown in FIGURE 1, lubrication and oil change can be efiiciently taken care of, and repairand adjustment of the fuel system and ignition system can be easily performed. Should it be preferred to disassemble and replace or inspect certain parts in,

the motor which are not immediately accessible with the motor in upright position, the bolts 25 holding the clamps may be loosened and the motor and disc 11 rotated about the bolt 19 so as to place the motor in a position where the concerned parts may be conveniently reached. Thereupon the bolts are retightened to close the clamps 15 against the disc 11 and to hold the motor in the'working position. 7

It may be noted from FIGURE 1 that in order to arrange the center of .the longitudinal dimension of a motor coaxial with the center of rotation of the disc 11, the motor support means including the support arm 13 and support bar 14 are arranged to define a plane which if extended would cho-rdally intersect the disc 11. There is no restriction that the support arm 13 should be arranged so that a motor supported thereon will have the center of its longitudinal axis at the center of rotation of the disc 11. In some instances, it may be preferred to have the support arm 13 and the support bar 14 arranged so that the center of gravity of the motor supported thereon will be coaxial with the axis of rotation of the disc 11. This may be particularly true for outboard marine motors of a very extreme weight.

In view of the foregoing, it is clear that there has been disclosed therein an improved work stand for outboard marine motors which will permit the motors to be supported at a comfortable working height and which will permit the motor to be rotated about a horizontal axis for the purpose of rendering ordinarily inaccessible pants convenient for service operations.

In the modification shownin FIGURES 7 and 8, the support arm 55 is mounted across the top of a boat transom 56 and secured thereto in any acceptable manner. The Wedge shaped section 52 is held within the cavity thereof. The motor mounting bracket is hung over the top of the transom and support arm 55 and the clamping screws of the motor are tightened against the wedge shaped section within the support arm. The fore and aft surfaces of the wedge section 52 diverge upwardly, so that even if the boat turned over the clamping screws could not slide over the thicker edges of the wedge material. In this respect the support arm for the motor is identical with that shown in the other views.

While the arrangement described herein is at present considered to be preferred, it is understood that variations and modifications may be made therein and it is intended to cover in theappended claims all such variations and modifications as fall Within the true spirit and scope of the invention.

What is claimed is:

1. A mount for an outboard marine type motor comprising a disc member, a mounting bracket supporting said disc member for rotation in a substantially vertical plane, a support arm for receiving the motor mounting clamps extending perpendicularly from and secured at one end to said disc member and displaced from the center of rotation thereof, a support bar in alignment with said support arm for receiving in resting relationship the lower portion of a mounted motor, said support arm and said support bar defining a plane chordally intersecting the circular segment circumscribed by the rotation of said disc member where-by the longitudinal dimension of the motor may be in intersecting relationship with the axis of rotation of said disc member, and means for holding said disc member in any one of a plurality of rotational position on said mounting bracket whereby a motor carried on said arm and bar can be rotated and held at any of a plurality of positions about an axis intersecting the longitudinal dimension of the motor.

2. A mount for an outboard marine type motor comprising a structural member, a mounting bracket supporting said structural member for rotation in a. substantially vertical plane, a support arm for receiving the motor mounting clamps extending perpendicularly from and secured at one end to said structural member and displaced from the center of rotation thereof, a support bar joined to the outer end of said support arm and including a portion parallel to and displaced from said support arm for receiving in resting relationship the lower portion of a mounted motor, said support arm and said support bar defining a plane chordally intersecting the circular segment circumscribed by the rotation of said structural member whereby the longitudinal dimension of the motor may be in intersecting relationship with the axis of rotation of said structural member, and means for holding said structural member in any one of a plurality of rotational positions on said mounting bracket whereby a motor carried on said arm and bar can be rotated and held at any of a plurality of positions about an axis intersecting the longitudinal dimension of the motor.

3. A mount for an outboard marine type motor comprising a disc member, means supporting said disc member for rotation about its center in a substantially vertical plane, a support arm secured to and extending perpendicularly from said disc member and displaced from the center thereof, and being adapted to receive outboard motor mounting clamps, a support bar joined to the outer end of said support arm and including a portion parallel to and displaced from said support arm for receiving in resting relationship the lower portion of a mounted motor, said support arm and said support bar defining a plane chordally intersecting the circular segment circumscribed by the rotation of said disc member whereby the longitudinal dimension of the motor may be in intersecting relationship with the axis of rotation of said disc member, and means on said bracket and engageable with said disc member for holding said disc member in any one of a plurality of rotational positions whereby a motor carried on said arm and bar can be rotated and held at any of a plurality of positions about an axis intersecting the longitudinal dimension of the motor.

4. A mount for an outboard marine type motor comprising an upstanding structure, a disc member, a mounting bracket for supporting said disc member for rotation about its center in a substantially vertical plane from said upstanding structure, a support arm secured to and extending perpendicularly from said disc member and displaced from the center thereof and being adapted to receive outboard motor mounting clamps, an L-shaped support bar joined at one end to the free end of said support arm with the other end of said bar parallel to and coextensive with said support arm for receiving in resting relationship the lower portion of a mounted motor, said support arm and said support bar defining a plane chordally intersecting the circular segment circumscribed by the rotation of said disc member whereby the longitudinal dimension of the motor may be in intersecting relationship with the axis of rotation of said disc member, and means on said bracket and engageable with said disc member for holding said disc member in any one of a plurality of rotational positions, whereby a motor carried on said arm and bar can be rotated and held at any of a plurality of positions about an axis intersecting the longitudinal dimension of the motor.

5. A mount for an outboard marine type motor comprising an upstanding structure, a disc member, a mounting bracket for supporting said disc member for rotation about its center in a substantially vertical plane from said upstanding structure, a support arm secured to and extending perpendicularly from said disc member and displaced from the center thereof and being adapted to receive outboard motor mounting clamps, an L-shaped support bar joined at one end to the free end of said support arm with the other terminal section of said bar being parallel to and coextensive with said support arm for receiving in resting relationship the lower portion of a mounted motor, said support arm and said support bar defining a plane chordally intersecting the circular segment circumscribed by the rotation of said disc member whereby the longitudinal dimension of the motor may be in intersecting relationship with the axis of rotation of said disc member, and means on said bracket and engageable with said disc member selectively operative for 6 clamping said disc to said mounting bracket against rotation, whereby a motor carried on said arm and bar can be rotated and held at any of a plurality of positions about an axis intersecting the longitudinal dimension of the motor.

6. A mount for an outboard marine type motor comprising a disc member, a mounting bracket for supporting said disc member for rotation about its center in a substantially vertical plane and including projections adjacent to said disc and extending beyond the periphery thereof, a support arm secured to and extending perpendicularly from said disc member and displaced from the center thereof, said support arm being a structural member adapted to support an outboard motor at its mounting clamps and being provided with a clamping surface against which the motor mounting clamps may be tightened, an L-shaped support bar joined at one end to the rec end of said support arm with the other terminal section of said bar parallel to and coextensive with said support arm for receiving in resting relationship the lower portion of a mounted motor, said support arm and said support bar defining a plane chordally intersecting the circular segment circumscribed by the rotation of said disc member whereby the longitudinal dimension of the motor may be in intersecting relationship with the axis of rotation of said disc member, an adjustable clamo carried on said projections of said mounting bracket overlapping the edge of said disc for clamping said disc in any rotational position whereby a motor carried on said arm and bar can be rotated and clamped in any position about the axis intersecting the longitudinal dimension of the motor.

7. The mount for an outboard marine type motor as set forth in claim 6 in further combination with an upstanding structure to which said mounting bracket is connected comprising a base member including -a torsion bar and laterally extending end members therefor, and an upright member joined at one end to the mid-portion or" said torsion bar and adapted to receive said mounting bracket at the other end thereof, whereby forces applied to said structure by a motor supported on said mount are dissipated in said torsion bar.

8. A mount for an outboard marine motor comprising a disc member, means rotatably supporting said disc member in a vertical plane, a horizontally disposed channel support arm extending normally from said disc member, --a non-metallic wedge shaped filler section in the inside of the channel, the web of the channel being vertically disposed and the wider side of the wedge abutting the top flange of the channel, the channel being of a length and width to accommodate all sizes and spacing of outboard motor clamping screws, a support bar extending from the channel and including a portion parallel to and displaced from the support arm for receiving in resting relationship the lower portion of a motor when mounted on the channel.

References Cited in the file of this patent UNITED STATES PATENTS 1,503,795 Martin Aug. 5, 1924 1,777,935 Randall Oct. 7, 1930 2,844,920 Smith June 23, 1936 2,470,439 Kohler May 17, 1949 2,585,344 Plaziak Feb. 12, 1952 2,654,147 Wilson Oct. 6, 1953 2,660,385 Moran Nov. 24, 1953 2,686,028 Johnson Aug. 10, 1954 2,738,751 Hogberg Mar. 20, 1956 2,895,729 Sanders July 21, 1959 FOREIGN PATENTS 1,087,818 France Sept. 1, 1954 

